Nelson Alonzo
NPI 1609509215 · Rehabilitation Practitioner · San Francisco, CA
Nelson Alonzo is a Rehabilitation Practitioner provider in San Francisco, CA (NPI 1609509215).
Provider details
- NPI number
- 1609509215
- Entity type
- Individual
- Primary specialty
- Rehabilitation PractitionerRespiratory, Developmental, Rehabilitative and Restorative Service Providers
- Sex
- Male
- Sole proprietor
- No
Specialties & taxonomies
Respiratory, Developmental, Rehabilitative and Restorative Service Providers
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
3 yrs in NPPES registry
- Profile completeness38% of score
83% of core fields populated
- Practice footprint23% of score
1 documented practice location
Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our methodology.
Practice location
Mailing address
Registry dates
- Enumerated
- 2022-07-01
- Last updated
- 2025-06-04
- Certified
- 2025-06-04
Frequently asked questions
- What is Nelson Alonzo's NPI number?
- Nelson Alonzo's National Provider Identifier (NPI) is 1609509215, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Nelson Alonzo's specialty?
- Nelson Alonzo is listed in the NPPES registry with a primary specialty of Rehabilitation Practitioner (Respiratory, Developmental, Rehabilitative and Restorative Service Providers).
- Where is Nelson Alonzo located?
- Nelson Alonzo's practice location on file with NPPES is 815 Hyde St, San Francisco, CA 94109-5996.
- What is Nelson Alonzo's phone number?
- The practice phone number listed in the NPPES registry for Nelson Alonzo is (628) 215-0775.
- Is Nelson Alonzo's NPI active?
- Yes — Nelson Alonzo's NPI (1609509215) is active in the NPPES registry as of the last update on 2025-06-04.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.